Primordial supernovae got the ball rolling a quick hundred million years or so after the start of the universe.

Climate change is revealing oxygen levels in lakes are decreasing faster than experts expected due to warmer temperatures.

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Ancient microbes illustrate a particular kind of respiration in which carbon dioxide and hydrogen are combined to form acetic ...

A research team led by the Leibniz Institute for Baltic Sea Research Warnemünde (IOW) was able to revive dormant stages of ...

Animals, plants and many other living organisms inhale oxygen to "burn" (technically: oxidize) compounds like sugar into CO 2 and water -- a process ... in ecosystems without oxygen, e.g. in ...